An outboard engine's water pump is driven by the driveshaft. Here the author is shown sliding the water-pump housing into place. John Tiger Salt, sand, and debris take their toll on your outboard's ...

Move the throttle lever, and ­Mercury Racing’s 500R outboard crushes you into the seat or bolster. There’s torque to spare all the way to its max-rated 6,600 rpm. It proved a blast testing aboard ...